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1038738672 = 243225792797
BaseRepresentation
bin111101111010011…
…110010011110000
32200101120101120200
4331322132103300
54111404114142
6251023435200
734512063426
oct7572362360
92611511520
101038738672
11493382814
1224ba55b00
1313728188a
149bd53116
15612d464c
hex3de9e4f0

1038738672 has 60 divisors (see below), whose sum is σ = 2909192520. Its totient is φ = 345988224.

The previous prime is 1038738661. The next prime is 1038738691. The reversal of 1038738672 is 2768378301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369978 + ... + 372774.

It is an arithmetic number, because the mean of its divisors is an integer number (48486542).

Almost surely, 21038738672 is an apocalyptic number.

1038738672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1038738672 is an abundant number, since it is smaller than the sum of its proper divisors (1870453848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1038738672 is a wasteful number, since it uses less digits than its factorization.

1038738672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390 (or 5381 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1038738672 is about 32229.4689996593. The cubic root of 1038738672 is about 1012.7496463514.

The spelling of 1038738672 in words is "one billion, thirty-eight million, seven hundred thirty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 2579 2797 5158 5594 7737 8391 10316 11188 15474 16782 20632 22376 23211 25173 30948 33564 41264 44752 46422 50346 61896 67128 92844 100692 123792 134256 185688 201384 371376 402768 7213463 14426926 21640389 28853852 43280778 57707704 64921167 86561556 115415408 129842334 173123112 259684668 346246224 519369336 1038738672